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      Tratamiento de diésel con ozono para la preparación de combustibles alternativos Translated title: Diesel treatment with ozone to obtain an alternative fuel

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          Abstract

          Se estudió el tratamiento de un diésel comercial con ozono con el objetivo de mejorar las propiedades del combustible respecto al índice de cetano y a las emisiones indeseables. El tratamiento generó dos productos, una fase líquida y una fase sólida, ambos con peso molecular superior y tensión interfacial menor que el diésel original. En comparación con el diésel original, la fase líquida mostró un menor contenido de aromáticos y grupos carbonilos, y la fase sólida un mayor contenido de aromáticos y posiblemente de ácidos carboxílicos, aldehídos y cetonas. Empleando la fase sólida como agente surfactante, se formuló una microemulsión w/o (80 % p/p fase líquida y 0,6 - 0,5 % p/p fase sólida, 3 - 4,4 % p/p de 1-hexanol como co-surfactante, y 15 - 17 % p/p de agua). En relación con el diésel original, la fase líquida presentó un contenido de azufre equivalente a una desulfuración del 22% p/p y tanto la fase líquida como la microemulsión w/o presentaron una disminución del contenido de Ni y un aumento de la °API y del índice de cetano, indicando que ambos productos pueden emplearse como combustibles con mayor poder de ignición y menor toxicidad que el diésel original.

          Translated abstract

          The treatment of a commercial diesel with ozone was studied in order to improve the properties of the fuel with regard to Cetane index and undesirable emissions. Two products were generated by the treatment, a liquid phase and a solid phase. Both products showed higher molecular weight and lower interfacial tension than the original diesel. Compared with the original diesel, the liquid phase showed lower content of aromatics and carbonyl groups, whereas the solid phase showed higher content of aromatics and probably of acidic, carboxylic, aldehydes and ketones. By using the solid phase as a surfactant, w/o microemulsión was formulated (80% p/p liquid phase and 0.6 - 0.5% w/w solid-phase, 3-4.4% w/w of 1-hexanol as co-surfactant, and 15-17% w/w of water). Compared with the original diesel, the liquid phase presented a sulphur content equal to a desulfurization of 22% w/w and both the liquid phase and the w/o microemulsion showed a decrease of Ni content and an increase of the °API and the cetane index, indicating that both products may be used as fuels with higher power of ignition and lower toxicity than the original diesel.

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          Ozonation in Organic Chemistry

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            Pollution: Causes, effects and control

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              Soft Matter

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Journal
                rfiucv
                Revista de la Facultad de Ingeniería Universidad Central de Venezuela
                Rev. Fac. Ing. UCV
                Universidad Central de Venezuela (Caracas )
                0798-4065
                September 2014
                : 29
                : 3
                : 29-36
                Affiliations
                [1 ] Universidad Central de Venezuela Venezuela
                [2 ] Universidad Central de Venezuela Venezuela
                [3 ] Universidad Central de Venezuela Venezuela
                Article
                S0798-40652014000300004
                5681c351-1689-49be-b4ed-05260d759db1

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Venezuela

                Self URI (journal page): http://www.scielo.org.ve/scielo.php?script=sci_serial&pid=0798-4065&lng=en
                Categories
                ENGINEERING, MULTIDISCIPLINARY

                General engineering
                Sulfur,Diesel,Cetane Index,Ni,w/o Microemulsion,Ozone,Azufre,Diésel,Índice de cetano,Metales,Microemulsión w/o,Ozono

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